There aren't 13 theories about how Edgar Allan Poe's mother died. It isn't absolutely certain but she died either of tuberculosis, pneumonia or some unspecified lung ailment. There are however about 13 different major and minor theories about what caused the death of Edgar Allan Poe himself, but the answer to that question is outside the scope of this question.
Alcohol poisoning Drug overdose Murder Suicide Rabies
Astronomy Observations and Theories - 2005 Galaxies 1-13 was released on: USA: 21 June 2006
Jane Frances died December 13, 1641, at the Visitationist convent at Moulins, France of natural causes.
Death Valley Days - 1952 Paid in Full 13-13 was released on: USA: 1 January 1965
There are many theories on why people believe the number 13 is unlucky, but none of them have been proven likely. Many people also feel that the number 13 is lucky.
The Dawn of My Death was created on 2008-08-13.
Duel to the Death was created on 1983-01-13.
Prescription for Death was created on 1990-09-13.
Death Party was created on 1983-04-13.
Machine of Death was created on 2010-10-13.
Death Troopers was created on 2009-10-13.
The Tide of Death was created on 1912-04-13.